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75,842 Answers

Re: 04 stilo stops when hot

The
following are the general instructions on the start of diagnosing any
electronically controlled engine or transmission problem.

The
engine and the automatic transmission (transmission control is only
for automatics, engine is still computer controlled no matter the
transmission type) in this vehicle are computer controlled and in
most cases when a fault occurs a fault code is stored in the memory
of the computer control module. There are exception to this, such as
the Mass Airflow Meter and fuel pressure problems. What must be done
is to have all the basic testing done such as a scan of the system
for fault codes as well as a check with a live data scanner tool for
engine functions that are not within range of normal, a trained
technician is required to know what is correct and what isn't, then
based on careful diagnostics done from a factory repair manual the
correct part is replaced or the wiring repaired or the computer
replaced (known as the PCM), which is very rarely the problem. Other
basic checks must be done as well such as mechanical problems with
the engine as well as engine state of tune and mileage on the engine.
The transmission can have mechanical issues as well such as no gear
engagement at all or a failed pump or other pressure related
problems. Also engine mechanical problems can and do cause many
drive-ability related problem such as rough idle and other symptoms.

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Related Questions:

Well of course not. When you shut the car down, all water circulation stops so engine heat goes way up. This means the radiator gets hot too, and therefore so does the AC condensor. It takes time for all these things to cool back down when you start it back up.

It sounds like the temp sender may be bad. This is the sensor that sends a signal to the gauge on the dash (as opposed to the engine coolant temperature (ECT) sensor that goes to the ECU instead.) It is located on the bottom front of the thermostat housing (which you will find if you follow the large hose from the top right of the radiator.)

Before replacing, make sure the connection is clean and secure, then check the wiring for any obvious failures.

You condensation problem because the fan that cools the condenser will not run or runs poorly if that works and electrical checks if it can be used clucht fan fan problem clucht that the fan does not spin fast enough to adequately remove the heat .. .

It may be an intermittent loss of signal from either the crankshaft or camshaft sensors, the ignition system, or the ecu itself. Usually these kinds of problems require driving with a scanner hooked up and recording any failure on the fly. Good luck!

Sounds like the thermostat is trying to stick,and is causing the engine to over heat,therefore condenser is not cooling the freon down enough to cool.Have the thermostat changed and the cooling system bled out,this is most likely the cause.